Using this routine kept us all thinking out loud and deepening our reasoning abilities especially when we kept discussing why, why, why.

What do these make us wonder?

- Is algebra really that simple?

- What other ways can we use order of operations?

- If someone in another country had this same question, would they also get the same answer?

What do these make us think?

- It's like traffic rules. We have to follow traffic rules when we drive or else people would have so many accidents. This is the same. We have special rules in maths so that people don't have accidents when solving them.

- It makes me think that maths is just a fun puzzle to try to solve. Even if we get the answer wrong, we still learn a lot.